// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
// This file is copied from
// https://github.com/apache/hive/blob/master/hplsql/src/main/java/org/apache/hive/hplsql/Signal.java
// and modified by Doris

package org.apache.doris.plsql;

/**
 * Signals and exceptions
 */
public class Signal {
    public enum Type {
        LEAVE_LOOP, LEAVE_ROUTINE, LEAVE_PROGRAM, SQLEXCEPTION, NOTFOUND, TOO_MANY_ROWS, UNSUPPORTED_OPERATION,
        USERDEFINED, VALIDATION
    }

    Type type;
    String value = "";
    Exception exception = null;

    Signal(Type type, String value) {
        this.type = type;
        this.value = value;
        this.exception = null;
    }

    Signal(Type type, String value, Exception exception) {
        this.type = type;
        this.value = value;
        this.exception = exception;
    }

    /**
     * Get the signal value (message text)
     */
    public String getValue() {
        return value;
    }
}
